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Number of nX6 0..1 arrays with each 1 adjacent to 3, 4 or 5 king-move neighboring 1s.
1

%I #4 Dec 22 2017 18:25:15

%S 1,33,447,2514,65694,1621832,26724927,546305423,11821168013,

%T 235489625333,4769248435752,98493917234285,2009547258641866,

%U 40953762787553026,838080847181447765,17129707258907802961,349845822614751687109

%N Number of nX6 0..1 arrays with each 1 adjacent to 3, 4 or 5 king-move neighboring 1s.

%C Column 6 of A296990.

%H R. H. Hardin, <a href="/A296988/b296988.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..1..1..0..1..1..0. .1..1..0..1..1..1. .1..1..0..0..0..0. .1..1..0..1..1..0

%e ..1..1..1..1..1..0. .1..1..1..0..1..1. .1..1..1..1..0..0. .1..1..0..1..1..0

%e ..0..0..0..0..0..1. .0..0..0..0..0..0. .0..0..0..1..1..0. .1..1..0..0..1..0

%e ..1..1..0..1..1..1. .1..1..0..1..1..1. .1..1..0..1..0..0. .0..0..0..1..1..1

%e ..1..1..1..1..1..0. .1..1..0..1..1..1. .1..1..1..0..0..0. .0..0..0..1..1..0

%Y Cf. A296990.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 22 2017